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krok68 [10]
3 years ago
11

A sphere has an unknown amount of charge distributed uniformly at a distance of 0.56cm from the center of the of the sphere, the

electric feld point directly toward centre of the phone which has a magnitude of 1.6x10NC how much charge is on the sphere.​
Physics
1 answer:
Mars2501 [29]3 years ago
7 0
2+2+2+2+22++2+2+2+2+222+2++2c2+2+2+2+2+2
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- What are (a) the x component, (b) the y component, and (c) the z component of r = a - b +c if a= 7.8 + 6.6 - 7.1 , b= -2.9 + 7
frez [133]

Answer:

Explanation:

a= 7.8i + 6.6j - 7.1k

b=   -2.9 i+ 7.4 j+ 3.9k , and

c = 7.6i + 8.8j + 2.2k

r = a - b +c

=7.8i + 6.6j - 7.1k - ( -2.9i + 7.4j+ 3.9k )+ ( 7.6i + 8.8j + 2.2k)

= 7.8i + 6.6j - 7.1k +2.9i - 7.4j- 3.9k )+  7.6i + 8.8j + 2.2k

= 18.3 i +18.3 j - k

the angle between r and the positive z axis.

cosθ = 18.3 / √18.3² +18.3² +1

the angle between r and the positive z axis.

= 18.3 / 25.75

cos θ= .71

45 degree

6 0
3 years ago
An electromagnetic wave is a kind of a wave which,
Harman [31]

Explanation:

Electromagnetic waves are waves that propagate through space while an electric field and a magnetic field interact with each other.

please mark as brainliest plzz

7 0
2 years ago
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What is the primary evidence used to determine how the Moon formed? O A. Moon craters and Earth craters were caused by the same
Leona [35]
Answer is a
Explanation it is a
7 0
2 years ago
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A ray diagram is shown.
Masja [62]

Answer:

Z

Explanation:

The figure represented the ray diagrams produced by a convex (converging lens). The image will appear at the point where the purple ray and the orange ray meet, so at point Z.

As we see from the picture, the image will be:

- Real (because it is behind the lens, and it can be projected on a screen)

- Inverted (the image is upside down)

- Larger than the object (we can see it by noticing that the distance between the point of intersection purple-orange ray and the axis is larger than the size of the object)

6 0
2 years ago
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Every few years, winds in Boulder, Colorado, attain sustained speeds of 45.0 m/s (about 100 miles per hour) when the jet stream
emmainna [20.7K]

Answer:

271248.75 N

Explanation:

\rho = Density of air = 1.14 kg/m³

v = Velocity of wind = 45 m/s

A = Area = 235 m²

From Bernoulli's principle we have the relation

P_1-P_2=\frac{1}{2}\rho v^2\\\Rightarrow \Delta P=\frac{1}{2}1.14\times 45^2\\\Rightarrow \Delta P=1154.25\ Pa

Force is given by

F=PA\\\Rightarrow F=1154.25\times 235\\\Rightarrow F=271248.75\ N

Force due to the jet stream on the roof is 271248.75 N

6 0
3 years ago
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